Home / 276,112.44-414,122.51-76,453.01

Finding the Fourth Proportional to 276,112.44, 414,122.51 and 76,453.01

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Solution

The fourth proportional to 276,112.44, 414,122.51 and 76,453.01 is: 114,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,112.44 : 414,122.51 = 76,453.01 : x
  2. Step 2: Convert to fraction form
    276,112.44/414,122.51 = 76,453.01/x
  3. Step 3: Cross multiply
    276,112.44x = 414,122.51 × 76,453.01
  4. Step 4: Simplify right side
    276,112.44x = 31,660,909,945.38
  5. Step 5: Solve for x
    x = 31,660,909,945.38/276,112.44
  6. Step 6: Final answer
    x = 114,666.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.